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49 Cards in this Set
- Front
- Back
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What are the prime numbers to 60 |
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59 |
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what must be done to add fractions if denominator is different |
need to find the least common denominator |
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how do you multiply fractions |
no common denominator required to multiply |
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how do you divide fractions |
multiply the first term with the inversion of the second term |
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exponents of 1 |
any number raised to 1 equals itself |
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exponents of 0 |
any number raised to 0 is 1 |
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negative exponents |
to find the value change the number to a fraction by switching the numerator and denominator and removing the negative sign |
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negative exponents that are part of a fraction |
move the number with the negative sign to the other part of the fraction to eliminate the negative sign and process the equation |
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Multiplying like numbers with exponents |
you add the exponents together then raise the number |
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Dividing like numbers with exponents |
you subtract the exponents then raise the number |
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Dividing unlike numbers with exponents |
you will raise each item first then process the division |
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Multiplying unlike numbers with exponents |
you will raise each item first then process the mulitplication |
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how do you add and subtract square roots? |
all of the square root terms must be the same. |
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how do you multiply or divide square roots |
you can proceed to multiply or divide |
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how do you handle fractions as exponents |
first raise the item to the power of the numerator then take the root of the number by the denominator Ex: 4^1/2 step 1: 4^1 step 2: square root of 4 |
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what is the definition of mean |
the average of a set of numbers |
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what is the definition of the median |
the middle number of a set of values. if there is an odd number take the average of the 2 middle numbers |
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what is the definition of Mode |
the value that occurs the most in a set |
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what is the average formula |
Avg = Sum of set of numbers/ Numbers in set |
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What do you do if you are multiplying or dividing a negative number in an equality Ex: -4x > 4 |
Follow the normal procedure to divide or multiply then flip the sign ex: -4x > 4 x < -4 |
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how do you multiply binomials |
FOIL |
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how do you factor a trinomial Ex: x^2 -5x+6 |
you will have to reverse foil and create the 2 binomials Ex: (x-2)(x-3) |
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Distance between two points formula |
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Midpoint of a line formula |
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slope of a line formula |
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equation of a line |
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Perimeter of a square |
4 times the length of 1 side. P = 4s |
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Perimeter of a rectangle |
sum of twice the width and twice the length P = 2w + 2l |
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Circumference of a Circle |
if diameter is given then C = d * pi if radius is given then C = 2 * pi * r |
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Area of a square |
A = s^2 |
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Area of a rectangle |
A = lw |
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Area of a parallelogram |
A = bh |
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Area of a trapezoid |
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Area of triangle |
A = 1/2*bh |
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Area of a circle |
A = pi * r^2 |
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Sum of interior angles |
= 180(n - 2) |
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volume of a circle |
one of the sides cubed V = s^3 |
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Volume of a rectangle prism |
V = l * w * h |
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Volume of a sphere |
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Surface area of cubes and rectangular prisms |
A=2(wl+hl+hw) |
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surface area of a cylinder |
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Surface area of sphere |
SA = 4*pi*r^2 |
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What is the pythagorean theorem |
a^2 + b^2 = c^2 Only for right triangles |
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Right angles |
Angles measuring 90 degrees that are formed by the intersection of 2 perpendicular lines |
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Complimentary angles |
Angles that together form a 90 degree angle |
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Vertical angles |
Angles opposite of each other when 2 lines intersect that have equal values |
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Supplementary angles |
Angles next to each other when 2 lines intersect that add up to 180 |
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Corresponding angles |
Angles with equal measurements bc they hold the same relative positions along parallel lines and transversal |
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Same side interior angles |
Angles on the same side of a transversal on the interior of 2 parallel lines that together add up to 180 |
